TREA

Jouko Karkkainen

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  • Pietarsaari, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve cover sealing
    • Patent number 4,509,719
    • Issue date Apr 9, 1985
    • Oy Wartsila AB
    • Vilho Uomala
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve spindle sealing arrangement
    • Patent number 4,317,573
    • Issue date Mar 2, 1982
    • Oy Wartsila AB
    • Jouko Karkkainen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...